Improvement in the mechanical strength of magnetostrictive (Fe-Ga-Al)-X-C (X = Zr, Nb and Mo) alloys by carbide precipitation

Toshiya Takahashi; Teiko Okazaki; Yasubumi Furuya

doi:10.1016/j.scriptamat.2008.12.032

Improvement in the mechanical strength of magnetostrictive (Fe-Ga-Al)-X-C (X = Zr, Nb and Mo) alloys by carbide precipitation

Toshiya Takahashi, Teiko Okazaki, Yasubumi Furuya

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

(Fe_0.80Ga_0.15Al_0.05)₉₉X_0.5C_0.5 (X = Zr, Nb and Mo) alloys with high strength (>800 MPa) and high magnetostriction (>100 ppm) were developed by means of the formation of fine carbide precipitation of intermetallic compound, as well as grain refining by carbide phases, XC, which have an inhibitory effect on crystal grain growth. The fracture mode differed from that in binary FeGa alloy as a result of the presence of a transgranular phase caused by the XC.

Original language	English
Pages (from-to)	5-7
Number of pages	3
Journal	Scripta Materialia
Volume	61
Issue number	1
DOIs	https://doi.org/10.1016/j.scriptamat.2008.12.032
Publication status	Published - 2009 Jul
Externally published	Yes

Keywords

Image analysis
Intermetallic compounds
Iron alloys
Magnetostriction
Tension test

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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author = "Toshiya Takahashi and Teiko Okazaki and Yasubumi Furuya",

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T1 - Improvement in the mechanical strength of magnetostrictive (Fe-Ga-Al)-X-C (X = Zr, Nb and Mo) alloys by carbide precipitation

AU - Takahashi, Toshiya

AU - Okazaki, Teiko

AU - Furuya, Yasubumi

PY - 2009/7

Y1 - 2009/7

N2 - (Fe0.80Ga0.15Al0.05)99X0.5C0.5 (X = Zr, Nb and Mo) alloys with high strength (>800 MPa) and high magnetostriction (>100 ppm) were developed by means of the formation of fine carbide precipitation of intermetallic compound, as well as grain refining by carbide phases, XC, which have an inhibitory effect on crystal grain growth. The fracture mode differed from that in binary FeGa alloy as a result of the presence of a transgranular phase caused by the XC.

AB - (Fe0.80Ga0.15Al0.05)99X0.5C0.5 (X = Zr, Nb and Mo) alloys with high strength (>800 MPa) and high magnetostriction (>100 ppm) were developed by means of the formation of fine carbide precipitation of intermetallic compound, as well as grain refining by carbide phases, XC, which have an inhibitory effect on crystal grain growth. The fracture mode differed from that in binary FeGa alloy as a result of the presence of a transgranular phase caused by the XC.

KW - Image analysis

KW - Intermetallic compounds

KW - Iron alloys

KW - Magnetostriction

KW - Tension test

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Improvement in the mechanical strength of magnetostrictive (Fe-Ga-Al)-X-C (X = Zr, Nb and Mo) alloys by carbide precipitation

Abstract

Keywords

ASJC Scopus subject areas

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